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Added automated extruder fan function

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This commit is contained in:
blddk 2013-03-22 18:49:05 +01:00
parent 72419f69a9
commit e5a853a3d0
1 changed files with 2157 additions and 2128 deletions
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29
Marlin/Marlin_main.cpp
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@ -376,6 +376,14 @@ void setup()
setup_photpin(); setup_photpin();
lcd_init(); lcd_init();
#ifdef CONTROLLERFAN_PIN
SET_OUTPUT(CONTROLLERFAN_PIN); //Set pin used for driver cooling fan
#endif
#ifdef EXTRUDERFAN_PIN
SET_OUTPUT(EXTRUDERFAN_PIN); //Set pin used for extruder cooling fan
#endif
} }
@ -1953,6 +1961,27 @@ void controllerFan()
} }
#endif #endif
#ifdef EXTRUDERFAN_PIN
unsigned long lastExtruderCheck = 0;
void extruderFan()
{
if ((millis() - lastExtruderCheck) >= 2500) //Not a time critical function, so we only check every 2500ms
{
lastExtruderCheck = millis();
if (degHotend(active_extruder) < EXTRUDERFAN_DEC)
{
WRITE(EXTRUDERFAN_PIN, LOW); //... turn the fan off
}
else
{
WRITE(EXTRUDERFAN_PIN, HIGH); //... turn the fan on
}
}
}
#endif
void manage_inactivity() void manage_inactivity()
{ {
if( (millis() - previous_millis_cmd) > max_inactive_time ) if( (millis() - previous_millis_cmd) > max_inactive_time )